Home / 22,039.40-30,413.71-11,967.66

Finding the Fourth Proportional to 22,039.40, 30,413.71 and 11,967.66

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Solution

The fourth proportional to 22,039.40, 30,413.71 and 11,967.66 is: 16,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.40 : 30,413.71 = 11,967.66 : x
  2. Step 2: Convert to fraction form
    22,039.40/30,413.71 = 11,967.66/x
  3. Step 3: Cross multiply
    22,039.40x = 30,413.71 × 11,967.66
  4. Step 4: Simplify right side
    22,039.40x = 363,980,955.58
  5. Step 5: Solve for x
    x = 363,980,955.58/22,039.40
  6. Step 6: Final answer
    x = 16,515.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.